19871375041

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1153}}^1\times {\mathrm{1163}}^1$

素因数の和:2425

約数の個数: 32

約数和(自身を含む): 23856226560

約数和(自身を除く): 3984851519

約数列:

[1, 7, 29, 73, 203, 511, 1153, 1163, 2117, 8071, 8141, 14819, 33437, 33727, 84169, 84899, 234059, 236089, 589183, 594293, 1340939, 2440901, 2462071, 9386573, 17086307, 17234497, 38887231, 97888547, 272210617, 685219829, 2838767863, 19871375041]

約数ペア:

[(1, 19871375041), (7, 2838767863), (29, 685219829), (73, 272210617), (203, 97888547), (511, 38887231), (1153, 17234497), (1163, 17086307), (2117, 9386573), (8071, 2462071), (8141, 2440901), (14819, 1340939), (33437, 594293), (33727, 589183), (84169, 236089), (84899, 234059)]